*{
	margin: 0;
	padding: 0;
}
div{
	border: 1px solid red;
	overflow: hidden;
}
.left{
	float: left;
	width: 500px;
	top: 80px;
	bottom: auto;

}
.middle{
	float: right;
	height: 600px;
	width: 450px;
	/*display: inline-block;*/
	/*margin-bottom: -4px;*//*清除inline-block间隔*/
	/**margin-bottom: 0;*/
	margin-right: 20px;
}
.right{
	float: right;
	width: 400px;
	height: 200px;
	/*display: inline-block;*/
}
.box{
	height: 80px;
	margin: 5px 40px;
	text-align: justify;
	font-size: 12px;
}
p{
	text-indent: 2em;
}